2499921840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25847}}^1$

素因数の和:25907

約数の個数: 160

約数和(自身を含む): 8615448576

約数和(自身を除く): 6115526736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 195, 208, 240, 248, 260, 310, 312, 372, 390, 403, 465, 496, 520, 620, 624, 744, 780, 806, 930, 1040, 1209, 1240, 1488, 1560, 1612, 1860, 2015, 2418, 2480, 3120, 3224, 3720, 4030, 4836, 6045, 6448, 7440, 8060, 9672, 12090, 16120, 19344, 24180, 25847, 32240, 48360, 51694, 77541, 96720, 103388, 129235, 155082, 206776, 258470, 310164, 336011, 387705, 413552, 516940, 620328, 672022, 775410, 801257, 1008033, 1033880, 1240656, 1344044, 1550820, 1602514, 1680055, 2016066, 2067760, 2403771, 2688088, 3101640, 3205028, 3360110, 4006285, 4032132, 4807542, 5040165, 5376176, 6203280, 6410056, 6720220, 8012570, 8064264, 9615084, 10080330, 10416341, 12018855, 12820112, 13440440, 16025140, 16128528, 19230168, 20160660, 20832682, 24037710, 26880880, 31249023, 32050280, 38460336, 40321320, 41665364, 48075420, 52081705, 62498046, 64100560, 80642640, 83330728, 96150840, 104163410, 124996092, 156245115, 166661456, 192301680, 208326820, 249992184, 312490230, 416653640, 499984368, 624980460, 833307280, 1249960920, 2499921840]

約数ペア:

[(1, 2499921840), (2, 1249960920), (3, 833307280), (4, 624980460), (5, 499984368), (6, 416653640), (8, 312490230), (10, 249992184), (12, 208326820), (13, 192301680), (15, 166661456), (16, 156245115), (20, 124996092), (24, 104163410), (26, 96150840), (30, 83330728), (31, 80642640), (39, 64100560), (40, 62498046), (48, 52081705), (52, 48075420), (60, 41665364), (62, 40321320), (65, 38460336), (78, 32050280), (80, 31249023), (93, 26880880), (104, 24037710), (120, 20832682), (124, 20160660), (130, 19230168), (155, 16128528), (156, 16025140), (186, 13440440), (195, 12820112), (208, 12018855), (240, 10416341), (248, 10080330), (260, 9615084), (310, 8064264), (312, 8012570), (372, 6720220), (390, 6410056), (403, 6203280), (465, 5376176), (496, 5040165), (520, 4807542), (620, 4032132), (624, 4006285), (744, 3360110), (780, 3205028), (806, 3101640), (930, 2688088), (1040, 2403771), (1209, 2067760), (1240, 2016066), (1488, 1680055), (1560, 1602514), (1612, 1550820), (1860, 1344044), (2015, 1240656), (2418, 1033880), (2480, 1008033), (3120, 801257), (3224, 775410), (3720, 672022), (4030, 620328), (4836, 516940), (6045, 413552), (6448, 387705), (7440, 336011), (8060, 310164), (9672, 258470), (12090, 206776), (16120, 155082), (19344, 129235), (24180, 103388), (25847, 96720), (32240, 77541), (48360, 51694)]